Revenue Recognition and Account Receivables - Summary of Allowance for Doubtful Accounts (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 9,121
Additions recognized as a reduction to revenues	3,562
Accounts written off, net of recoveries	(2,485)
Balance	10,198
Healthcare Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	8,714
Additions recognized as a reduction to revenues	3,482
Accounts written off, net of recoveries	(2,359)
Balance	9,837
Specialty Pharmacy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	407
Additions recognized as a reduction to revenues	80
Accounts written off, net of recoveries	(126)
Balance	$ 361